package com.xinlin.framework.security.handle;

import java.io.IOException;
import java.io.Serializable;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import lombok.extern.slf4j.Slf4j;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.web.AuthenticationEntryPoint;
import org.springframework.stereotype.Component;
import com.alibaba.fastjson2.JSON;
import com.xinlin.common.constant.HttpStatus;
import com.xinlin.common.core.domain.AjaxResult;
import com.xinlin.common.utils.ServletUtils;
import com.xinlin.common.utils.StringUtils;

/**
 * 认证失败处理类 返回未授权
 *
 * @author xinlin
 */
@Component
@Slf4j
public class AuthenticationEntryPointImpl implements AuthenticationEntryPoint, Serializable {
    private static final long serialVersionUID = -8970718410437077606L;

    @Override
    public void commence(HttpServletRequest request, HttpServletResponse response, AuthenticationException e) throws IOException {
        log.info("url:{}, code : {} " , ((HttpServletRequest)request).getRequestURI() , response.getStatus() );
        if (response.getStatus() == org.springframework.http.HttpStatus.NOT_FOUND.value()) {
            // 处理404情况
            log.info("404请求: " + ((HttpServletRequest)request).getRequestURI());
            int code = 404;
            String msg = StringUtils.format("请求访问：{}， 资源不存在", new Object[]{request.getRequestURI()});
            ServletUtils.renderString(response, JSON.toJSONString(AjaxResult.error(code, msg)));
            return;
        }


        int code = HttpStatus.UNAUTHORIZED;
        String msg = StringUtils.format("请求访问：{}，认证失败，无法访问系统资源", request.getRequestURI());
        ServletUtils.renderString(response, JSON.toJSONString(AjaxResult.error(code, msg)));
    }
}
